diff --git a/django_rq_dashboard/views.py b/django_rq_dashboard/views.py
index b76b47e..bb3eb1c 100644
--- a/django_rq_dashboard/views.py
+++ b/django_rq_dashboard/views.py
@@ -230,7 +230,8 @@ def get_context_data(self, **kwargs):
         scheduler = Scheduler(self.connection)
         queue = Queue(self.kwargs['queue'], connection=self.connection)
 
-        def cond(job, next_run):
+        def cond(job_tuple):
+            job, next_run = job_tuple
             return job.origin == queue.name
         jobs = filter(cond, scheduler.get_jobs(with_times=True))